Switzerland weather in May 2026

Expect daytime maximum temperatures of 16°C in Switzerland in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 18 days with some rainfall and typically 81 mm of rainfall in the month.

  • 16°C maximum daytime temperature in May in Switzerland (Bern)16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in May in Switzerland (Bern)18
    18 days with some rainfall
  • 7°C minimum night-time temperature in May in Switzerland (Bern)7
    7°C min night temperature
  • 15 hours of daylight per day in May in Switzerland (Bern)15
    15 hours of daylight per day
  • No heat & humidity in May in Switzerland (Bern)0
    No heat & humidity
  • 81 mm monthly rainfall in May in Switzerland (Bern)81
    81 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Switzerland (Bern)7
    7 (High) UV index

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The May weather guide for Switzerland (Bern) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What is the weather in Switzerland in May like?

May marks the time in Switzerland when almost all the winter snow disappears, except above 2,000 metres in the Alps, so in the valleys and on the Central Plateau, rivers are full of meltwater. May is also the peak of spring across most of Switzerland when the lowlands are in full bloom, and alpine areas are just beginning to flower.

Everywhere across Switzerland, rainfall increases in May compared with the preceding months. However, there is also plenty of sunshine, so don't be put off.

Becoming warmer on the Central Plateau

On the Central Plateau, temperatures range from around 10°C at night to just under 20°C during the day, so while conditions are not yet warm, it is becoming warmer. This is reflected in the fact that, as the month progresses, afternoon thunderstorms can develop, but you can still expect six to seven hours of sunshine on average per day.

Cool in the Jura Mountains

Once again, in the Jura Mountains, conditions are slightly cooler than on the Plateau and with about an hour less sunshine each day. There are also a few more days in the month with rain than in April.

Sunniest in the Swiss Alps

Sheltered by the mountains to the north, the driest and sunniest region in Switzerland in May is in the Swiss Alps at the western end of the narrow Rhone Valley between Martigny and Brig.

Here, there are over seven hours of sunshine per day on average, and only seven days in the month with some rain. Expect daytime temperatures to reach 21°C, falling below 10°C at night.

Higher up in the mountains, it is of course cooler because of the altitude. At Zermatt and St Moritz, temperatures usually reach 13-14°C during the day, falling to zero or just above overnight. During the day, you can also expect around five hours of sunshine on average, and nine or ten days in the month with some rain.

On the lakes that border Italy

On the southern side of the Alps, down on the lakes near the border with Italy, the weather in May is warmer and wetter than elsewhere in the country. It is a month with frequent heavy rain but also with plenty of sunshine.

The rain generally comes in showers, which can be intense but are mostly short-lived. Mixed in with the rain, you can expect between six and seven hours of sunshine a day on average and temperatures rising into the low twenties during the day.

Switzerland temperatures in May

Below are average maximum temperatures at popular countries, regions and places in Switzerland in May. Select a holiday destination to see more weather parameters.

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How warm is it in Switzerland in May?

Daytime temperatures usually reach 16°C in Bern, Switzerland in May, falling to 7°C at night.

How sunny is it in Switzerland in May?

There are normally 6 hours of bright sunshine each day in Bern, Switzerland in May - that's 37% of daylight hours.

Does it rain in Switzerland in May?

There are usually 18 days with some rain in Bern, Switzerland in May and the average monthly rainfall is 81mm.

Switzerland May sunrise & sunset times

Browse the sunrise and sunset times for Switzerland in May 2026. Select a month to view Switzerland sunrise and sunset times for the next 12 months. The Switzerland sunrise and sunset times shown below are for Bern.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:15 19:41
Saturday, 16th May 2026 04:54 20:00
Sunday, 31st May 2026 04:40 20:16

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